| A | B |
|---|
| metamorphic | a type of rock that forms from the cooling of magma or lava |
| igneous | a type of rock that forms when existing rocks are exposed to extreme heat and pressure |
| sedimentary | a type of rock that forms by or from deposits of sediment |
| rock cycle | continuous process by which rocks are created then changed from one form to another - destroyed - and then formed again |
| Geologists study rocks because they: | provide clues about Earth’s past. contain valuable resources . may have new uses in the future |
| two processes would most likely cause metamorphic rocks to change into sediments | erosion and weathering |
| The characteristics used to Classify rock | Color Texture Mineral Composition Formation |
| What is a characteristic of sedimentary rock | It has many layers. |
